# # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2021, American Registry for Internet Numbers, Ltd. # NetRange: 38.0.0.0 - 38.255.255.255 CIDR: 38.0.0.0/8 NetName: COGENT-A NetHandle: NET-38-0-0-0-1 Parent: () NetType: Direct Allocation OriginAS: AS174 Organization: PSINet, Inc. (PSI) RegDate: 1991-04-16 Updated: 2018-06-20 Comment: IP allocations within 38.0.0.0/8 are used for Cogent customer static IP assignments. Comment: Comment: Reassignment information for this block can be found at Comment: rwhois.cogentco.com 4321 Ref: https://rdap.arin.net/registry/ip/38.0.0.0 OrgName: PSINet, Inc. OrgId: PSI Address: 2450 N Street NW City: Washington StateProv: DC PostalCode: 20037 Country: US RegDate: Updated: 2015-06-04 Comment: rwhois.cogentco.com Ref: https://rdap.arin.net/registry/entity/PSI ReferralServer: rwhois://rwhois.cogentco.com:4321 OrgTechHandle: IPALL-ARIN OrgTechName: IP Allocation OrgTechPhone: +1-877-875-4311 OrgTechEmail: ipalloc@cogentco.com OrgTechRef: https://rdap.arin.net/registry/entity/IPALL-ARIN OrgAbuseHandle: COGEN-ARIN OrgAbuseName: Cogent Abuse OrgAbusePhone: +1-877-875-4311 OrgAbuseEmail: abuse@cogentco.com OrgAbuseRef: https://rdap.arin.net/registry/entity/COGEN-ARIN OrgNOCHandle: ZC108-ARIN OrgNOCName: Cogent Communications OrgNOCPhone: +1-877-875-4311 OrgNOCEmail: noc@cogentco.com OrgNOCRef: https://rdap.arin.net/registry/entity/ZC108-ARIN RTechHandle: PSI-NISC-ARIN RTechName: IP Allocation RTechPhone: +1-877-875-4311 RTechEmail: ipalloc@cogentco.com RTechRef: https://rdap.arin.net/registry/entity/PSI-NISC-ARIN # # ARIN WHOIS data and services are subject to the Terms of Use # available at: https://www.arin.net/resources/registry/whois/tou/ # # If you see inaccuracies in the results, please report at # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/ # # Copyright 1997-2021, American Registry for Internet Numbers, Ltd. # Found a referral to rwhois.cogentco.com:4321. %rwhois V-1.5:0010b0:00 rwhois.cogentco.com (CGNT rwhoisd 0.0.0) network:ID:NET4-2668BBB81D network:Network-Name:NET4-2668BBB81D network:IP-Network:38.104.187.184/29 network:Org-Name:Facebook Inc network:Street-Address:111 8TH AVENUE network:City:NEW YORK network:State:NY network:Country:US network:Postal-Code:10011 network:Tech-Contact:ZC108-ARIN network:Updated:2020-11-18 21:24:31 %ok

Host 186.187.104.38.in-addr.arpa. not found: 3(NXDOMAIN)

; <<>> DiG 9.11.4-P2-RedHat-9.11.4-26.P2.el7_9.4 <<>> 38.104.187.186 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 15446 ;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 ;; QUESTION SECTION: ;38.104.187.186. IN A ;; AUTHORITY SECTION: . 86392 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2021091402 1800 900 604800 86400 ;; Query time: 14 msec ;; SERVER: 8.8.8.8#53(8.8.8.8) ;; WHEN: Wed Sep 15 04:55:54 UTC 2021 ;; MSG SIZE rcvd: 118

** server can't find 186.187.104.38.in-addr.arpa.: NXDOMAIN

PING 38.104.187.186 (38.104.187.186) 56(84) bytes of data. 64 bytes from 38.104.187.186: icmp_seq=1 ttl=55 time=82.5 ms 64 bytes from 38.104.187.186: icmp_seq=2 ttl=55 time=83.3 ms 64 bytes from 38.104.187.186: icmp_seq=3 ttl=55 time=84.1 ms --- 38.104.187.186 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2002ms rtt min/avg/max/mdev = 82.540/83.328/84.116/0.724 ms

traceroute to 38.104.187.186 (38.104.187.186), 30 hops max, 60 byte packets 1 gateway (172.31.1.1) 7.967 ms 7.903 ms 7.718 ms 2 14455.your-cloud.host (49.12.137.48) 0.408 ms 0.371 ms 0.381 ms 3 * * * 4 static.88-198-249-81.clients.your-server.de (88.198.249.81) 1.219 ms static.88-198-249-85.clients.your-server.de (88.198.249.85) 3.887 ms static.88-198-249-81.clients.your-server.de (88.198.249.81) 1.117 ms 5 core12.nbg1.hetzner.com (85.10.250.213) 0.771 ms core11.nbg1.hetzner.com (85.10.250.209) 1.683 ms core11.nbg1.hetzner.com (213.239.208.221) 1.658 ms 6 juniper6.dc2.nbg1.hetzner.com (213.239.245.78) 0.699 ms juniper4.dc2.nbg1.hetzner.com (213.239.245.26) 0.526 ms juniper5.dc2.nbg1.hetzner.com (213.239.229.166) 0.350 ms 7 ae12-498.nbg40.core-backbone.com (5.56.20.253) 0.612 ms 0.467 ms ae12-499.nbg40.core-backbone.com (81.95.15.5) 0.357 ms 8 ae1-2001.fra10.core-backbone.com (81.95.15.162) 3.559 ms 3.527 ms 3.538 ms 9 ffm-b5-link.ip.twelve99.net (62.115.9.225) 4.004 ms 3.930 ms 3.888 ms 10 be3031.agr41.fra03.atlas.cogentco.com (130.117.14.197) 6.331 ms 6.247 ms 6.330 ms 11 be3186.ccr41.fra03.atlas.cogentco.com (130.117.0.1) 6.702 ms 6.464 ms 6.397 ms 12 be2800.ccr42.par01.atlas.cogentco.com (154.54.58.238) 16.394 ms be2799.ccr41.par01.atlas.cogentco.com (154.54.58.234) 15.850 ms 15.917 ms 13 be3627.ccr41.jfk02.atlas.cogentco.com (66.28.4.197) 86.462 ms be3628.ccr42.jfk02.atlas.cogentco.com (154.54.27.169) 86.587 ms 86.585 ms 14 be3495.ccr31.jfk10.atlas.cogentco.com (66.28.4.182) 87.309 ms 86.914 ms be3496.ccr31.jfk10.atlas.cogentco.com (154.54.0.142) 86.818 ms 15 * * * 16 * * * 17 * * * 18 * * * 19 * * * 20 * * * 21 * * * 22 * * * 23 * * * 24 * * * 25 * * * 26 * * * 27 * * * 28 * * * 29 * * * 30 * * *

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